CN106017074B - A kind of seperated slide rail type rotary heating furnace structure and production technology for warm forming production - Google Patents
A kind of seperated slide rail type rotary heating furnace structure and production technology for warm forming production Download PDFInfo
- Publication number
- CN106017074B CN106017074B CN201610298812.8A CN201610298812A CN106017074B CN 106017074 B CN106017074 B CN 106017074B CN 201610298812 A CN201610298812 A CN 201610298812A CN 106017074 B CN106017074 B CN 106017074B
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- Prior art keywords
- furnace
- heating furnace
- heating
- independent
- seperated
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/16—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a circular or arcuate path
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/40—Arrangements of controlling or monitoring devices
Abstract
The invention discloses a kind of seperated slide rail type rotary heating furnace structures and production technology for warm forming production.It is characterized by: main body is made of multiple independent heating furnace bodies, host is integrally arranged in a ring；Each independent heating furnace can set several layers, and have independent fire door and relatively independent furnace cavity, can be realized the independent control of furnace temperature；Unit heating furnace bottom is equipped with pulley gear, and rotary funace center is equipped with a kind of novel slip-ring structure, the control line and anti-oxidation gas transmission pipeline of heating furnace is placed inside slip ring, setting motor in slip ring can drive furnace body to carry out circular motion along endless glide；Channel of nitrogen is equipped with puff prot at fire door in heating furnace, and gas curtain is formed at fire door by the gas that puff prot sprays.Present invention use can guarantee that workpiece is heated sufficiently to assigned temperature in warm forming production line, while ensure the continuity of production process, meet beat requirement；Heating efficiency is improved, thermal loss, save the cost are reduced.
Description
Technical field
The present invention relates to high strength steel plate hot forming techniques and almag Warm Forming Technology, specifically a kind of for temperature
The seperated slide rail type rotary heating furnace structure of hot forming production.
Background technique
Warm forming technology is a kind of advanced manufacturing technology for form high strength stamping parts, is widely used in automobile system
Make industry.In warm forming, to guarantee that plate sufficiently heats and obtain the stable warm forming product of quality, to its key
Equipment --- the Improvement of warm forming heating furnace is also constantly carrying out.For heat forming technology, needed before stamping by work
Part temperature quickly heats up to the heat preservation of 900 DEG C and progress 3 minutes or more, makes workpiece complete austenitizing；For warm working technique,
Workpiece temperature need to be heated to 475 DEG C first, then keep the temperature 30 minutes.Therefore, in warm forming production, heating furnace is added
Hot rate and preservation and controlling have very high requirement.
The heating furnace for being now widely used in warm forming is roller hearth type heating furnace, and furnace body is in tunnel type, and plate passes through furnace
Interior furnace roller is transported through, and is heated by way of electricity or gas in transport process.Therefore, it has the following deficiencies: 1,
Space occupied is big, and this heating furnace needs enough length to guarantee that plate has enough heating and soaking time, life
Producing line length is typically no less than 45 meters；2, energy loss is high, no matter in high volume production process or small lot scheduling and planning feelings
Under condition, all necessary whole stove heating of roller hearth furnace is just able to achieve furnace temperature and reaches assigned temperature, will disappear in whole furnace temperature-rise period
The more electricity of consumption or gas；3, maintenance cost is high, maintenance difficult, and the structure of roller hearth type heating furnace makes its dismounting and change difficult, removes
To also needing to maintain furnace roller and transmission system outside the maintenance of heating element.The characteristics of for roller hearth type heating furnace, closely
The research and development of rotary hearth continous furnance grow in intensity over year, can effectively make up roller hearth type heating furnace using rotary hearth continous furnance and take up an area
The deficiency of space is big, maintenance maintenance is costly etc..But rotary hearth continous furnance equally exists some shortcomings.
Application No. is 201210398392.2 patents to disclose a kind of " rotary furnace bottom rotary heating furnace " for wear-resisting
Steel ball heat treatment, this heating furnace use annular furnace structure, have lesser occupied area, but be provided only with two furnaces of one-in-and-one-out
Door can not further increase production efficiency by increasing matched charging and discharging equipment；Application No. is 201120541177.4 it is special
The characteristics of benefit discloses " a kind of rotary forge furnace " and is used to heat forging, this patent is to propose that subregion adds
Heat realizes that the compartmentalization of temperature controls by the heater that different densities are distributed, but this partition heating mode is in each region
Between mechanism there is no setting for blocking temperature transmitting, not can avoid the temperature conduction in different heating region, have certain
Limitation；Application No. is 201210385919.8 patents to disclose a kind of " polycyclic rotary heating furnace heat treatment life
Producing line ", multiple rotary heating furnaces are set side by side this heating furnace, can on same production line can workpiece carry out different temperatures
Heat treatment.In addition to this, above-mentioned patent all has certain deficiency: certain section of region is broken down in such as heating furnace, it will
Cause heating furnace to be integrally unable to operate normally, needs all fronts maintenance down.
Summary of the invention
The present invention provides a kind of seperated slide rail type rotary heating furnace structure for warm forming production, feature exists
In:
Heating furnace main body is made of multiple independent heating furnace bodies, and heating furnace is integrally arranged in a ring；It is each it is independent plus
Hot stove can be several numbers of plies, and each layer is equipped with respective fire door, and has relatively independent furnace cavity, can be realized furnace temperature
Individually control；Independent heating bottom of furnace body is equipped with pulley gear, and rotary funace center is equipped with a kind of novel slip-ring structure, slip ring
The control line and anti-oxidation gas transmission pipeline of heating furnace are placed in inside, are equipped with motor in slip ring, furnace body can be driven along circular rails
Road carries out circular motion；It is equipped with channel of nitrogen in heating furnace, is equipped with puff prot at fire door in burner hearth, during heating,
Always it is connected with nitrogen in burner hearth, when door opened, gas curtain is formed at fire door by the gas that puff prot sprays.
Preferably, the heating furnace main body is made of eight individual heating furnaces.
Preferably, the single heating furnace is single layer chamber structure.
A kind of seperated slide rail type rotary funace production technology for warm forming production, comprising the following steps:
Inert gas is passed through in heating furnace burner hearth, protection atmosphere is formed, stops when inert gas concentration reaches predetermined value
Only inflate；Stove heating will be then heated, in-furnace temperature is adjusted by control system, designated value is reached and keeps the temperature；Furnace bottom is sliding
Wheel is connect with sliding rail, drives furnace body to carry out circular motion along sliding rail by motor；Behind rotation to designated position, furnace body stops rotation
Turning, puff prot starts to spray gas outward, and it is door opened, form gas curtain；After feeding, feeding are completed in designated position, furnace is closed
Door, puff prot stop jet；Motor drives the angle of furnace body rotation setting, carries out feeding, feeding again；So circulation is realized
Continuous production.
Compared with prior art, heating furnace provided by the invention uses rotating operation form, integrally in a ring, space occupied
It can effectively reduce；Meanwhile using seperated form, it is made of multiple individual heating furnaces and rotates integrally heating furnace, when some is only
When vertical heating furnace body breaks down, failure furnace body can be overhauled or replaced easily and fast；Each individually heating furnace is equipped with only
Vertical temperature control device controls fire box temperature, can effectively realize the purpose of segmentally heating；The rear of burner hearth be provided with
The stomata that vent line communicates controls furnace gas ingredient for being passed through gas；Jet is provided at fire door in burner hearth
Mouthful, gas curtain is formed at fire door when door opened.The door opened and closure of heating furnace uses pneumatic type, and the unlatching of fire door is
It closes and rotates integrally and all controlled by the preset technique beat of computer at the time of stopping.
The present invention has space occupied is small, maintenance maintenance is convenient, energy-efficient, formed product quality is high, stability is strong etc.
Advantage, therefore the present invention can promote in fields such as warm formings.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is fission slide rail type rotary funace schematic view of the front view of the embodiment of the present invention；
Fig. 2 is fission slide rail type rotary funace A-A cross-sectional view of the embodiment of the present invention；
Fig. 3 is fission slide rail type rotary funace overlooking structure diagram of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of independent heating of embodiment of the present invention furnace (being preferred for warm working)；
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of seperated slide rail type for warm forming production provided in an embodiment of the present invention is illustratively shown in figure
Rotary funace schematic diagram, the structure specifically include that
Heating furnace main body 1 is made of multiple independent heating furnace bodies 2, and the heating furnace is integrally arranged in a ring；It is described only
Vertical heating furnace can be several numbers of plies, and each layer is equipped with respective fire door 3, and has relatively independent furnace cavity 4, Neng Goushi
The independent control of existing furnace temperature；The independent heating furnace bottom is equipped with pulley gear 5, and motor-controlled furnace body can be along annular
Sliding rail 6 carries out circular motion；The rotary funace center is equipped with slip ring structure 7, is used to place heating furnace inside the slip ring
Control line and anti-oxidation gas transmission pipeline, and inside be equipped with motor, the furnace body can be driven to be justified along endless glide
Zhou Yundong；It is equipped with channel of nitrogen in the heating furnace, is equipped with puff prot 8 at fire door in the burner hearth, during heating,
It is connected with nitrogen always in the burner hearth, when described door opened, is formed at fire door by the gas that the puff prot sprays
Gas curtain；
The center of rotary funace is equipped with a kind of novel slip-ring structure 7, is used to place the control line of heating furnace inside slip ring
And anti-oxidation gas transmission pipeline, it avoids in rotary course, the control line of each furnace mutually winds and interferes；At slip ring structure,
Equipped with fan 10 and maintenance window 11, fan drum is equipped with shutter, is conducive to slip ring internal heat dissipating；Motor is equipped in slip ring, it can band
Dynamic rotary funace carries out circular motion；
Wherein, rotary funace is made of eight independent heating furnace bodies 2, can guarantee that workpiece is heated sufficiently to specified temperature
Degree improves production efficiency；Independent heating furnace body is single layer structure and is equipped with independent temperature control unit 9；
Rotary heating furnace bottom is equipped with pulley gear 5, and pulley gear can be connected with the sliding rail 6 being fixed on ground,
It is moved under the drive of slip ring along circular orbit；
The burner hearth of independent heating furnace body is equipped with nitrogen jet device 8 at fire door and is sprayed when door opened by nitrogen
Injection device from top to bottom sprays gas, and gas curtain is formed at stockhole, makes furnace is inside and outside to form positive and negative pressure, prevents gas inside and outside furnace
Exchange, to reduce the loss of fire box temperature；Meanwhile channel of nitrogen is equipped in the burner hearth of independent furnace body, make burner hearth worked
In journey in inert gas environment, the oxidation of workpiece is reduced.
Wherein, the heating method of rotary funace is radiant heating.
Seperated slide rail type rotary funace production technology for warm forming production of the invention can use following steps:
In hot forming production, Preferable scheme is that: heating furnace main body is made of eight individual heating furnaces, single to heat
Furnace is single layer chamber structure.First inert gas is passed through in heating furnace burner hearth 4, protection atmosphere is formed, is arrived to inert gas concentration
Stop inflation when up to predetermined value；Then heating furnace 2 is heated, in-furnace temperature is adjusted by control system 9, reaches designated value
And it keeps the temperature；Furnace bottom pulley 5 is connect with sliding rail 6, drives furnace body to carry out circular motion along sliding rail by motor；It rotates to designated position
Afterwards, furnace body stops rotating, and puff prot 8 starts to spray gas outward, and fire door 3 is opened, and forms gas curtain；It completes to take in designated position
After material, feeding, fire door is closed, puff prot stops jet；Motor drives the angle of furnace body rotation setting, carries out feeding again, send
Material；So circulation realizes continuous production.
In warm working production, overall flow is similar to hot forming production process.In view of the forming work of alloy plate material
Skill demand (productive temp 20s, plate heating time 30min), Preferable scheme is that: heating furnace main body is individually added by ten
Hot stove composition, single heating furnace are nine layers of chamber structure, as shown in Figure 4.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (7)
1. a kind of seperated slide rail type rotary funace for warm forming production, it is characterised in that:
Heating furnace main body is made of multiple independent heating furnace bodies, and the heating furnace is integrally arranged in a ring；It is described it is independent plus
Hot stove body can be several numbers of plies, and each layer is equipped with respective fire door, and has relatively independent furnace cavity, can be realized furnace temperature
Independent control；The independent heating furnace body bottom is equipped with pulley gear, and the rotary funace center is equipped with slip ring structure,
Motor-controlled furnace body can carry out circular motion along endless glide；Channel of nitrogen is equipped in the heating furnace, in the furnace
Thorax is equipped with puff prot at fire door and is connected with nitrogen always in the burner hearth during heating, when described door opened,
The gas sprayed by the puff prot forms gas curtain at fire door.
2. a kind of seperated slide rail type rotary funace for warm forming production according to claim 1, feature exist
In: the center of the rotary funace is equipped with a kind of novel slip-ring structure, is used to place the control of heating furnace inside the slip ring
Line and anti-oxidation gas transmission pipeline, avoid in rotary course, and the control line of each furnace mutually winds and interferes；In the slip ring knot
At structure, it is equipped with fan and maintenance window, the fan drum is equipped with shutter, is conducive to slip ring internal heat dissipating；Motor is equipped in slip ring,
Rotary funace can be driven to carry out circular motion.
3. a kind of seperated slide rail type rotary funace for warm forming production according to claim 1, feature exist
In: the rotary funace is made of multiple individual furnace bodies, can be guaranteed that workpiece is heated sufficiently to assigned temperature, be improved life
Produce efficiency；The independent furnace body is equipped with independent temperature control unit；According to concrete engineering situation, furnace body can be dismantled
Or assembling, entire heating furnace can be made of 3-12 independent furnace bodies, to adapt to different production technology demand for heat；According to specific
Project situation, it can also be designed to the heating furnaces of the 1-9 of longitudinal arrangement layer for the independent furnace body, to adapt to different production sections
It claps and requires.
4. a kind of seperated slide rail type rotary funace for warm forming production according to claim 1 to 3,
Be characterized in that: the rotary heating furnace bottom be equipped with pulley gear, the pulley gear can be fixed on ground
Sliding rail is connected, and moves under the drive of slip ring along circular orbit.
5. a kind of seperated slide rail type rotary funace for warm forming production according to claim 1, feature exist
In: the burner hearth of the independent heating furnace body is equipped with nitrogen jet device at fire door and is sprayed when door opened by nitrogen
Injection device from top to bottom sprays gas, and gas curtain is formed at stockhole, makes furnace is inside and outside to form positive and negative pressure, prevents gas inside and outside furnace
Exchange, to reduce the loss of fire box temperature；Meanwhile channel of nitrogen is equipped in the burner hearth of the independent heating furnace body, make furnace
Thorax is in inert gas environment during the work time, reduces the oxidation of workpiece.
6. a kind of seperated slide rail type rotary funace for warm forming production according to claim 1, feature exist
In: the heating method of the rotary funace can be resistor rod heating, electromagnetic induction heating, Hybrid Heating.
7. a kind of such as the seperated slide rail type rotary heating furnace structure produced for warm forming as described in claim 1-6 is any
Production technology, which comprises the following steps:
Inert gas is passed through in heating furnace burner hearth, protection atmosphere is formed, stops filling when inert gas concentration reaches predetermined value
Gas；Stove heating will be then heated, in-furnace temperature is adjusted by control system, designated value is reached and keeps the temperature；Furnace bottom pulley with
Sliding rail connection drives furnace body to carry out circular motion along sliding rail by motor；Behind rotation to designated position, furnace body stops rotating, spray
Port starts to spray gas outward, door opened, forms gas curtain；After feeding, feeding are completed in designated position, fire door, spray are closed
Port stops jet；Motor drives the angle of furnace body rotation setting, carries out feeding, feeding again；So circulation is realized continuous raw
It produces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298812.8A CN106017074B (en) | 2016-04-29 | 2016-04-29 | A kind of seperated slide rail type rotary heating furnace structure and production technology for warm forming production |
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| CN201610298812.8A CN106017074B (en) | 2016-04-29 | 2016-04-29 | A kind of seperated slide rail type rotary heating furnace structure and production technology for warm forming production |
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| CN106017074A CN106017074A (en) | 2016-10-12 |
| CN106017074B true CN106017074B (en) | 2019-02-12 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374691B (en) * | 2016-11-29 | 2019-11-26 | 三一集团有限公司北京分公司 | Slip ring heating device |
| CN108191462B (en) * | 2018-01-19 | 2021-04-20 | 平罗县祥美化工有限公司 | Rotary disc type fluidized bed furnace |
| CN109968514A (en) * | 2019-04-19 | 2019-07-05 | 广东金景陶节能科技有限公司 | A kind of idiosome molding device for grinding on kiln |
| CN115466837B (en) * | 2022-08-25 | 2023-12-26 | 北京首钢股份有限公司 | Fire banking control method for furnace door of steel rolling heating furnace |
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| JP2002372375A (en) * | 2001-06-13 | 2002-12-26 | Ezaki Seisakusho:Kk | Annular multistage heating furnace |
| CN101625197A (en) * | 2008-12-01 | 2010-01-13 | 长春伟孚特汽车零部件有限公司 | Rotary hearth heating furnace with highly-efficient energy-saving ring-shaped hearth for warm-hot formation |
| CN103225952A (en) * | 2012-01-29 | 2013-07-31 | 江镇 | Rotary energy-saving ceramic kiln |
| CN103411425A (en) * | 2013-07-26 | 2013-11-27 | 大连理工大学 | Slide rail chain drive drawer-type heating furnace used for warm forming production |
| CN105423749A (en) * | 2015-12-04 | 2016-03-23 | 中国电子科技集团公司第四十八研究所 | Energy-saving type split double-layer roller way electrical kiln for permanent magnetic ferrite sintering |
| CN206037696U (en) * | 2016-04-29 | 2017-03-22 | 胡平 | A components of a whole that can function independently slide rail formula rotary funace structure for warm shaping production |
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2016
- 2016-04-29 CN CN201610298812.8A patent/CN106017074B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002372375A (en) * | 2001-06-13 | 2002-12-26 | Ezaki Seisakusho:Kk | Annular multistage heating furnace |
| CN101625197A (en) * | 2008-12-01 | 2010-01-13 | 长春伟孚特汽车零部件有限公司 | Rotary hearth heating furnace with highly-efficient energy-saving ring-shaped hearth for warm-hot formation |
| CN103225952A (en) * | 2012-01-29 | 2013-07-31 | 江镇 | Rotary energy-saving ceramic kiln |
| CN103411425A (en) * | 2013-07-26 | 2013-11-27 | 大连理工大学 | Slide rail chain drive drawer-type heating furnace used for warm forming production |
| CN105423749A (en) * | 2015-12-04 | 2016-03-23 | 中国电子科技集团公司第四十八研究所 | Energy-saving type split double-layer roller way electrical kiln for permanent magnetic ferrite sintering |
| CN206037696U (en) * | 2016-04-29 | 2017-03-22 | 胡平 | A components of a whole that can function independently slide rail formula rotary funace structure for warm shaping production |
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